DIPTERA. 335 
than the third: chest with five indistinct and interrupted black stripes: ab- 
domen dull greenish blue, with slight white reflections, a little shorter and 
broader than the chest: legs black: wings slightly gray ; prebrachial vein 
forming a right angle at its flexure, much bent inward near this, almost 
straight from thence to the tip ; lower cross-vein with the two curves which 
are distinct: alule gray, with white borders: halteres tawny. Length of 
the body 34 lines ; of the wings 8 lines. 
Madras or Calcutta. 
Musca VIoLacra. 
Cinereo-niyra ; abdomen purpureum; ale cineree, basi nigricantes. 
Head wanting: chest black, tinged with gray ; breast with a luteous 
scapula on each side of the fore part, and another on each side of the hind 
part: abdomen purple: legs black : wings gray, blackish at the base; pre- 
brachial vein slightly curved inward near the flexure, where it forms aright 
but not sharply defined angle, straight from thence to the tip, their june- 
tion rounded ; lower cross-yein with two curves, the upper outward, deeper 
and shorter than the lower which is inward: alule dark gray with pale 
borders : halteres tawny with whitish tips. Length of the body 6 lines; 
of the wings 14 lines. 
New Zealand. 
Musca inpvora. 
Cyanea ; caput albidum ; antenne picee ; pedes nigri ; ale cinerea. 
Fem. Blue, tinged with green and purple : head with a white covering ; 
frontalia pitchy, their disk ferruginous in front ; facialia ferruginous, beset 
with very short bristles ; epistoma ferruginous, prominent ; lateralia fer- 
ruginous: eyes bare: palpi tawny : feelers pitchy ; third joint linear, fer- 
ruginous at the base, rounded at the tip, more than thrice the length of the 
third, nearly reaching the epistoma; sixth feathered nearly to the tip, very 
much longer than the third: scutcheon and abdomen mostly blue and 
purple: legs black: wings gray ; veins black, pitchy at the base ; prebra- 
chial vein forming a right but not sharply defined angle at its flexure, be- 
yond which it is bent inward; lower cross-vein very slightly undulating : 
alule gray. Length of the body 4 lines ; of the wings 9 lines. 
East Indies. 
